[INFO] fetching crate wasefire-interpreter 0.1.4...
[INFO] testing wasefire-interpreter-0.1.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate wasefire-interpreter 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate wasefire-interpreter 0.1.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasefire-interpreter 0.1.4
[INFO] finished tweaking crates.io crate wasefire-interpreter 0.1.4
[INFO] tweaked toml for crates.io crate wasefire-interpreter 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate wasefire-interpreter 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-encoder v0.33.1
[INFO] [stderr]   Downloaded portable-atomic v1.4.3
[INFO] [stderr]   Downloaded wast v65.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa11f6211e033a705177f193e7d9035f07709b51082be8cf830967d39edbe98
[INFO] running `Command { std: "docker" "start" "-a" "4fa11f6211e033a705177f193e7d9035f07709b51082be8cf830967d39edbe98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa11f6211e033a705177f193e7d9035f07709b51082be8cf830967d39edbe98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa11f6211e033a705177f193e7d9035f07709b51082be8cf830967d39edbe98", kill_on_drop: false }`
[INFO] [stdout] 4fa11f6211e033a705177f193e7d9035f07709b51082be8cf830967d39edbe98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab0abed025d46d348c1e2dc9ce9bb1eb5ca8bd144a3d1cf737da7e649d31d45
[INFO] running `Command { std: "docker" "start" "-a" "1ab0abed025d46d348c1e2dc9ce9bb1eb5ca8bd144a3d1cf737da7e649d31d45", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling num_enum_derive v0.7.0
[INFO] [stderr]    Compiling num_enum v0.7.0
[INFO] [stderr]    Compiling wasefire-interpreter v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:108:38
[INFO] [stdout]     |
[INFO] [stdout] 108 | #![cfg_attr(not(feature = "toctou"), feature(slice_split_at_unchecked))]
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | #![feature(concat_idents)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | #![feature(float_minimum_maximum)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:111:1
[INFO] [stdout]     |
[INFO] [stdout] 111 | #![feature(never_type)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:112:1
[INFO] [stdout]     |
[INFO] [stdout] 112 | #![feature(pointer_is_aligned)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:113:1
[INFO] [stdout]     |
[INFO] [stdout] 113 | #![feature(try_blocks)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | #![feature(unwrap_infallible)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:108:46
[INFO] [stdout]     |
[INFO] [stdout] 108 | #![cfg_attr(not(feature = "toctou"), feature(slice_split_at_unchecked))]
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | #![feature(concat_idents)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | #![feature(float_minimum_maximum)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | #![feature(pointer_is_aligned)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 | #![feature(unwrap_infallible)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasefire-interpreter` (lib) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "1ab0abed025d46d348c1e2dc9ce9bb1eb5ca8bd144a3d1cf737da7e649d31d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab0abed025d46d348c1e2dc9ce9bb1eb5ca8bd144a3d1cf737da7e649d31d45", kill_on_drop: false }`
[INFO] [stdout] 1ab0abed025d46d348c1e2dc9ce9bb1eb5ca8bd144a3d1cf737da7e649d31d45
